dt {
  background-color: #003366;
  padding: 10px 15px;
  color: white;
  cursor: pointer;
}

dd {
  display: none;
  background-color: #cccccc;
  cursor: pointer;
}

dd a {
  color: rgb(5, 91, 97);
  cursor: pointer;
  display: block;
  padding: 10px 15px;
}